Ella Verbsintroducir to insert, to put (into), to introduce (something into) Irregular Verb
At a glance: Introducir (to insert, to put (into), to introduce (something into)) is a irregular verb in Spanish. In the present tense: introduzco, introduces, introduce, introducimos, introducís, introducen. Yo adds a z (introduzco); the other forms are regular. It is also irregular in the preterite (introduje) and subjunctive.

Introducir conjugation tables as a PDF
A printable two-page cheat sheet, sent to your inbox.
The Indicative Present of introducir is used to talk about situations, events or thoughts that are happening now or in the near future. It is also used to talk about facts and truths. For example, “introduzco”, meaning “I insert”.
In Spanish, the Indicative Present is known as "El Presente".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | introduzco | I insert |
| Tú | introduces | you insert |
| Ella / Él / Usted | introduce | s/he inserts |
| Nosotras / Nosotros | introducimos | we insert |
| Vosotras / Vosotros | introducís | you (plural) insert |
| Ellas / Ellos / Ustedes | introducen | they insert |
How it’s built: Yo adds a z (introduzco); the other forms are regular.
Letters in red show where a form differs from the regular pattern.
The Indicative Preterite of introducir is used to talk about actions completed in the past, at a specific point in time. For example, “introduje”, meaning “I inserted”.
In Spanish, the Indicative Preterite is known as "El Pretérito Indefinido".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | introduje | I inserted |
| Tú | introdujiste | you inserted |
| Ella / Él / Usted | introdujo | s/he inserted |
| Nosotras / Nosotros | introdujimos | we inserted |
| Vosotras / Vosotros | introdujisteis | you (plural) inserted |
| Ellas / Ellos / Ustedes | introdujeron | they inserted |
How it’s built: Irregular stem introduj- plus the endings -e, -iste, -o, -imos, -isteis, -ieron; ellas/ellos drops the i (introdujeron).
Letters in red show where a form differs from the regular pattern.
The Indicative Imperfect of introducir is used to describe regular and repeated actions that happened in the past and descriptions of things you used to do. For example, “introducía”, meaning “I used to insert”.
In Spanish, the Indicative Imperfect is known as "El Pretérito Imperfecto".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | introducía | I used to insert |
| Tú | introducías | you used to insert |
| Ella / Él / Usted | introducía | s/he used to insert |
| Nosotras / Nosotros | introducíamos | we used to insert |
| Vosotras / Vosotros | introducíais | you (plural) used to insert |
| Ellas / Ellos / Ustedes | introducían | they used to insert |
How it’s built: Regular: stem introduc- plus the -ir endings.
The Indicative Present Continuous of introducir is used to talk about something that is happening continuously or right now. For example, “estoy introduciendo”, meaning “I am inserting”.
In Spanish, the Indicative Present Continuous is known as "El Presente Progresivo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | estoy introduciendo | I am inserting |
| Tú | estás introduciendo | you are inserting |
| Ella / Él / Usted | está introduciendo | s/he is inserting |
| Nosotras / Nosotros | estamos introduciendo | we are inserting |
| Vosotras / Vosotros | estáis introduciendo | you (plural) are inserting |
| Ellas / Ellos / Ustedes | están introduciendo | they are inserting |
How it’s built: Estar in the present (estoy, estás, está, estamos, estáis, están) plus the gerund introduciendo.
The Indicative Informal Future of introducir is used to talk about something that will happen in the future, especially in the near future. For example, “voy a introducir”, meaning “I am going to insert”.
In Spanish, the Indicative Informal Future is known as "El Futuro Próximo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | voy a introducir | I am going to insert |
| Tú | vas a introducir | you are going to insert |
| Ella / Él / Usted | va a introducir | s/he is going to insert |
| Nosotras / Nosotros | vamos a introducir | we are going to insert |
| Vosotras / Vosotros | vais a introducir | you (plural) are going to insert |
| Ellas / Ellos / Ustedes | van a introducir | they are going to insert |
How it’s built: Ir in the present (voy, vas, va, vamos, vais, van), then a, then the infinitive introducir.
The Indicative Future of introducir is used to talk about something that will happen in the future. For example, “introduciré”, meaning “I will insert”.
In Spanish, the Indicative Future is known as "El Futuro Simple".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | introduciré | I will insert |
| Tú | introducirás | you will insert |
| Ella / Él / Usted | introducirá | s/he will insert |
| Nosotras / Nosotros | introduciremos | we will insert |
| Vosotras / Vosotros | introduciréis | you (plural) will insert |
| Ellas / Ellos / Ustedes | introducirán | they will insert |
How it’s built: Regular: the infinitive introducir plus the future endings.
The Indicative Conditional of introducir is used to talk about something that may happen in the future, hypothesis and probabilities. For example, “introduciría”, meaning “I would insert”.
In Spanish, the Indicative Conditional is known as "El Condicional Simple".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | introduciría | I would insert |
| Tú | introducirías | you would insert |
| Ella / Él / Usted | introduciría | s/he would insert |
| Nosotras / Nosotros | introduciríamos | we would insert |
| Vosotras / Vosotros | introduciríais | you (plural) would insert |
| Ellas / Ellos / Ustedes | introducirían | they would insert |
How it’s built: Regular: the infinitive introducir plus the conditional endings.
The Indicative Present Perfect of introducir is used to describe actions that started recently (in the past) and are still happening now or things that have been done recently. For example, “he introducido”, meaning “I have inserted”.
In Spanish, the Indicative Present Perfect is known as "El Pretérito Perfecto".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | he introducido | I have inserted |
| Tú | has introducido | you have inserted |
| Ella / Él / Usted | ha introducido | s/he has inserted |
| Nosotras / Nosotros | hemos introducido | we have inserted |
| Vosotras / Vosotros | habéis introducido | you (plural) have inserted |
| Ellas / Ellos / Ustedes | han introducido | they have inserted |
How it’s built: Haber in the present (he, has, ha, hemos, habéis, han) plus the past participle introducido.
The Indicative Past Perfect of introducir is used to talk about actions that happened before another action in the past. For example, “había introducido”, meaning “I had inserted”.
In Spanish, the Indicative Past Perfect is known as "El Pretérito Pluscuamperfecto".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | había introducido | I had inserted |
| Tú | habías introducido | you had inserted |
| Ella / Él / Usted | había introducido | s/he had inserted |
| Nosotras / Nosotros | habíamos introducido | we had inserted |
| Vosotras / Vosotros | habíais introducido | you (plural) had inserted |
| Ellas / Ellos / Ustedes | habían introducido | they had inserted |
How it’s built: Haber in the imperfect (había, habías, había, habíamos, habíais, habían) plus the past participle introducido.
The Indicative Future Perfect of introducir is used to talk about something that will have happened in the future after something else has already happened. For example, “habré introducido”, meaning “I will have inserted”.
In Spanish, the Indicative Future Perfect is known as "El Futuro Perfecto".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | habré introducido | I will have inserted |
| Tú | habrás introducido | you will have inserted |
| Ella / Él / Usted | habrá introducido | s/he will have inserted |
| Nosotras / Nosotros | habremos introducido | we will have inserted |
| Vosotras / Vosotros | habréis introducido | you (plural) will have inserted |
| Ellas / Ellos / Ustedes | habrán introducido | they will have inserted |
How it’s built: Haber in the future (habré, habrás, habrá, habremos, habréis, habrán) plus the past participle introducido.
The Indicative Conditional Perfect of introducir is used to talk about something that would have happened in the past but didn’t due to another action. For example, “habría introducido”, meaning “I would have inserted”.
In Spanish, the Indicative Conditional Perfect is known as "El Condicional Perfecto".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | habría introducido | I would have inserted |
| Tú | habrías introducido | you would have inserted |
| Ella / Él / Usted | habría introducido | s/he would have inserted |
| Nosotras / Nosotros | habríamos introducido | we would have inserted |
| Vosotras / Vosotros | habríais introducido | you (plural) would have inserted |
| Ellas / Ellos / Ustedes | habrían introducido | they would have inserted |
How it’s built: Haber in the conditional (habría, habrías, habría, habríamos, habríais, habrían) plus the past participle introducido.
Want introducir to come out without thinking?
The app teaches the “Z before C” pattern step by step, then quizzes you until forms like introduzco are automatic.
The Subjunctive Present is used to talk about situations of uncertainty, or emotions such as wishes, desires and hopes. It differs from the indicative mood due to the uncertainty of the events which are being spoken about. For example, “introduzca”, meaning “I insert”.
In Spanish, the Subjunctive Present is known as "El Presente de Subjuntivo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | introduzca | I insert |
| Tú | introduzcas | you insert |
| Ella / Él / Usted | introduzca | s/he inserts |
| Nosotras / Nosotros | introduzcamos | we insert |
| Vosotras / Vosotros | introduzcáis | you (plural) insert |
| Ellas / Ellos / Ustedes | introduzcan | they insert |
How it’s built: Every form follows the yo present, introduzco (introduzca, introduzcas, introduzca, introduzcamos, introduzcáis, introduzcan).
Letters in red show where a form differs from the regular pattern.
The Subjunctive Imperfect is used to speak about unlikely or uncertain events in the past or to cast an opinion (emotional) about something that happened in the past. For example, “introdujera”, meaning “I inserted”.
In Spanish, the Subjunctive Imperfect is known as "El Imperfecto Subjuntivo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | introdujera | I inserted |
| Tú | introdujeras | you inserted |
| Ella / Él / Usted | introdujera | s/he inserted |
| Nosotras / Nosotros | introdujéramos | we inserted |
| Vosotras / Vosotros | introdujerais | you (plural) inserted |
| Ellas / Ellos / Ustedes | introdujeran | they inserted |
How it’s built: Built on the irregular ellas/ellos preterite, introdujeron: drop -ron and add the -ra endings; nosotros adds an accent (introdujéramos).
Letters in red show where a form differs from the regular pattern.
The Subjunctive Future is used to speak about hypothetical situations, and actions/events that may happen in the future. For example, “introdujere”, meaning “I will insert”.
In Spanish, the Subjunctive Future is known as "El Futuro de Subjuntivo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | introdujere | I will insert |
| Tú | introdujeres | you will insert |
| Ella / Él / Usted | introdujere | s/he will insert |
| Nosotras / Nosotros | introdujéremos | we will insert |
| Vosotras / Vosotros | introdujereis | you (plural) will insert |
| Ellas / Ellos / Ustedes | introdujeren | they will insert |
How it’s built: Built on the irregular ellas/ellos preterite, introdujeron: drop -ron and add the -re endings; nosotros adds an accent (introdujéremos).
Letters in red show where a form differs from the regular pattern.
The Subjunctive Present Perfect is used to describe past actions or events that are still connected to the present day and to speak about an action that will have happened by a certain time in the future. For example, “haya introducido”, meaning “I have inserted”.
In Spanish, the Subjunctive Present Perfect is known as "El Pretérito Perfecto de Subjuntivo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | haya introducido | I have inserted |
| Tú | hayas introducido | you have inserted |
| Ella / Él / Usted | haya introducido | s/he has inserted |
| Nosotras / Nosotros | hayamos introducido | we have inserted |
| Vosotras / Vosotros | hayáis introducido | you (plural) have inserted |
| Ellas / Ellos / Ustedes | hayan introducido | they have inserted |
How it’s built: Haber in the subjunctive present (haya, hayas, haya, hayamos, hayáis, hayan) plus the past participle introducido.
The Subjunctive Past Perfect is used to speak about hypothetical situations, and actions/events that occurred before other actions/events in the past. For example, “hubiera introducido”, meaning “I had inserted”.
In Spanish, the Subjunctive Past Perfect is known as "El Pretérito Pluscuamperfecto de Subjuntivo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | hubiera introducido | I had inserted |
| Tú | hubieras introducido | you had inserted |
| Ella / Él / Usted | hubiera introducido | s/he had inserted |
| Nosotras / Nosotros | hubiéramos introducido | we had inserted |
| Vosotras / Vosotros | hubierais introducido | you (plural) had inserted |
| Ellas / Ellos / Ustedes | hubieran introducido | they had inserted |
How it’s built: Haber in the subjunctive imperfect (hubiera, hubieras, hubiera, hubiéramos, hubierais, hubieran) plus the past participle introducido.
The Subjunctive Future Perfect is used to speak about something that will have happened if a hypothetical situations occurs in the future. For example, “hubiere introducido”, meaning “I will have inserted”.
In Spanish, the Subjunctive Future Perfect is known as "El Futuro Perfecto de Subjuntivo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | hubiere introducido | I will have inserted |
| Tú | hubieres introducido | you will have inserted |
| Ella / Él / Usted | hubiere introducido | s/he will have inserted |
| Nosotras / Nosotros | hubiéremos introducido | we will have inserted |
| Vosotras / Vosotros | hubiereis introducido | you (plural) will have inserted |
| Ellas / Ellos / Ustedes | hubieren introducido | they will have inserted |
How it’s built: Haber in the subjunctive future (hubiere, hubieres, hubiere, hubiéremos, hubiereis, hubieren) plus the past participle introducido.
The Imperative Affirmative is used to give orders and commands, to tell someone to do something. For example, “introduzca”, meaning “(to you formal) insert!”.
In Spanish, the Imperative Affirmative is known as "El Imperativo Afirmativo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | - | - |
| Tú | introduce | (to you) insert! |
| Ella / Él / Usted | introduzca | (to you formal) insert! |
| Nosotras / Nosotros | introduzcamos | let's insert! |
| Vosotras / Vosotros | introducid | (to you plural) insert! |
| Ellas / Ellos / Ustedes | introduzcan | (to you plural formal) insert! |
How it’s built: Tú takes the ella/él present (introduce); usted, nosotros and ustedes take the subjunctive present (introduzca, introduzcamos, introduzcan); vosotros swaps the final r of the infinitive for a d (introducid).
Letters in red show where a form differs from the regular pattern.
The Imperative Negative is used to give orders and commands, telling someone not to do something. For example, “no introduzca”, meaning “(to you formal) don't insert!”.
In Spanish, the Imperative Negative is known as "El Imperativo Negativo".
| Pronoun | Spanish | English |
|---|---|---|
| Yo | - | - |
| Tú | no introduzcas | (to you) don't insert! |
| Ella / Él / Usted | no introduzca | (to you formal) don't insert! |
| Nosotras / Nosotros | no introduzcamos | let's not insert! |
| Vosotras / Vosotros | no introduzcáis | (to you plural) don't insert! |
| Ellas / Ellos / Ustedes | no introduzcan | (to you plural formal) don't insert! |
How it’s built: No plus the subjunctive present: no introduzcas, no introduzca, no introduzcamos, no introduzcáis, no introduzcan.
Letters in red show where a form differs from the regular pattern.
Introducir is an irregular Spanish verb. In the present tense: yo adds a z (introduzco); the other forms are regular. It is also irregular in the preterite (introduje) and subjunctive.
In the present tense (presente), introducir is conjugated as: yo introduzco, tú introduces, él/ella/usted introduce, nosotros introducimos, vosotros introducís, ellos/ellas/ustedes introducen. The present tense is used To talk about situations, events or thoughts that are happening now or in the near future. It is also used to talk about facts and truths.
In the preterite (pretérito indefinido), introducir is conjugated as: yo introduje, tú introdujiste, él/ella/usted introdujo, nosotros introdujimos, vosotros introdujisteis, ellos/ellas/ustedes introdujeron. The preterite is used To talk about actions completed in the past, at a specific point in time.
In the imperfect (pretérito imperfecto), introducir is conjugated as: yo introducía, tú introducías, él/ella/usted introducía, nosotros introducíamos, vosotros introducíais, ellos/ellas/ustedes introducían. The imperfect is used To describe regular and repeated actions that happened in the past and descriptions of things you used to do.
In the future tense (futuro simple), introducir is conjugated as: yo introduciré, tú introducirás, él/ella/usted introducirá, nosotros introduciremos, vosotros introduciréis, ellos/ellas/ustedes introducirán. The future tense is used To talk about something that will happen in the future.
In the present subjunctive (subjuntivo presente), introducir is conjugated as: yo introduzca, tú introduzcas, él/ella/usted introduzca, nosotros introduzcamos, vosotros introduzcáis, ellos/ellas/ustedes introduzcan. The present subjunctive is used To talk about situations of uncertainty, or emotions such as wishes, desires and hopes. It differs from the indicative mood due to the uncertainty of the events which are being spoken about.
Download and print a cheat sheet of Introducir Spanish conjugation tables in image or PDF format:

Get full conjugation tables for Introducir and 2,500+ other verbs on-the-go with Ella Verbs for iOS, Android, and web.
We also guide you through learning all Spanish tenses and test your knowledge with conjugation quizzes. Download it for free!

👋 Hola! We built Ella Verbs to help people (and ourselves!) master one of the hardest parts of Spanish – verb conjugation. It guides you through learning all tenses in an easy-to-follow way, giving you levels of bite-sized lessons and fun quizzes. Here is a 6 minute overview of all of the app’s features:
It has changed a lot over the 9+ years we have been working on it, but the goal remains the same – to help you master Spanish conjugation! You can download and try it for free, and, if you do, please send any and all feedback our way!
– Jane & Brian
Why not check out Invadir – to invade or see the complete list of verbs here.

Join 250,000+ others and master your Spanish conjugation with the top-rated verb app, Ella Verbs
Great program that has and is helping me immensely. Four years [studying Spanish] and after just a couple of days with this app I finally am 'getting' the verb thing into my head. After the first couple of lessons I finally feel comfortable conversing with the natives here in Panama. I still have a long way to go but this application was the key for me. Thank you!
Google Play Store